user
Find 10 facts about hummingbirds.


assistant
1. Hummingbirds are the smallest bird species in the world, with some as small as 2.2 inches. 
2. They have an ability to hover in mid-air by rapidly flapping their wings, allowing them to feed on nectar from flowers. 
3. Hummingbirds are only found in the Americas and some islets from the Caribbean.
4. Hummingbirds can flap their wings up to 200 times per second. 
5. Hummingbirds consume about half their body weight in sugar every day. 
6. Hummingbirds can fly at speeds of up to 54 km/h. 
7. Hummingbirds are capable of migrating long distances, up to 16,000 km. 
8. Hummingbirds can see both ultraviolet and polarized light.
9. Hummingbirds have a lifespan of 3 to 5 years. 
10. Female hummingbirds typically lay two eggs at a time.